package mian;

public class Product {
    private String id;
    private String name;
    private double price;

    // 构造方法、getter和setter
    public Product() {}

    public Product(String id, String name, double price) {
        this.id = id;
        this.name = name;
        this.price = price;
    }

    // getter和setter方法
    // toString方法
}
